If I’m flying as a non-revenue/standby passenger from the US to Singapore through Narita, how will I know when I’ve been cleared on the standby list in Narita and Singapore? Is there a screen in English with cleared passengers?
1There's no list of names, I've never seen that outside the US/Canada. After almost all passengers are boarded, stand by passengers are called forward, either as a group or by name. There's not usually many. Gate agents can converse in basic English. Boarding in Japan is extremely efficient and usually complete well ahead of the announced close of boarding.– CalchasSep 2, 2018 at 18:09
I think this question should be asked of the airline, which should know its own procedures and how information will be communicated to those on standby.– DavidRecallsMonicaSep 2, 2018 at 18:11
Flying non-rev on international connecting flights can be quite risky, especially during busy times (and busy times are not necessarily the same for all flights). You could get stranded in Narita for a few days in some situations...– jcaronSep 2, 2018 at 19:32
Each airline has its own processes for standby non-rev passengers. Ask in advance what those are. Usually you'll need to put yourself on a list for each flight of your trip. The list of all non-rev passengers will be stack ranked using a number of factors like seniority and time you signed up. Then you have to show up to the gate, wait and see if there's enough free space to make it down the list to your name shortly before departure.
Normally, the gate agent is boss of this process; when in doubt ask them, but remember they have paying customers, and an expensive crew and plane to send off on time, to prioritize over you.
Some airlines will send your boarding pass directly to your phone and show your name as cleared on a screen in the boarding area once it's been determined that there is enough space. When you don't see those, normally the gate agent will just call your name as soon as they are confident that there is a seat available. If the flight obviously has room, the gate agent will likely call you before the boarding process. If the flight is closer to full, they will wait until most of the way through the boarding process to see how many passengers actually show up. If they don't have space for you they'll ask you to sit and wait while the complete the paperwork and get the flight out, after that they'll help you figure out what your next option is.
Specifically in Narita, there's no list of names on a screen. The screen changes to something like "Now boarding standby passengers". Source: very easy to forget about the passage of time in the JAL F lounge...– CalchasSep 3, 2018 at 18:53